[PATCH] assume sprintf formatting of wide characters may fail (PR 86853)

[Jeff Law]

On 08/20/2018 01:05 PM, David Edelsohn wrote:
> builtin-sprintf-warn-1.c, builtin-sprintf-warn-2.c, and
> builtin-sprintf-11.c now are failing on AIX.  I expect that at least part
> of the reason is 32 bit AIX uses 16 bit wchar_t
> 
> #ifdef __64BIT__
> typedef unsigned int    wchar_t;
> #else
> typedef unsigned short  wchar_t;
> #endif /* __64BIT__ */
> 
> Are the new warnings making assumptions about the width of wchar_t?
> 
> Do we want to skip some of these tests on AIX?Joseph, Martin and myself are discussing how to handle a 2 byte wchar_t.
 Yes, there's a broken assumption in the sprintf code for that case.

jeff